Spasmolytic action of 4-methylumbelliferone in isolated guinea-pig's gallbladder.
D000109:Acetylcholine / Q000037:antagonists & inhibitors; D000818:Animals; D001285:Atropine / Q000494:pharmacology; D001464:Barium / Q000037:antagonists & inhibitors; D003374:Coumarins / Q000494:pharmacology*; D004155:Diphenhydramine / Q000494:pharmacology; D005704:Gallbladder / Q000187:drug effects*; D006168:Guinea Pigs; D066298:In Vitro Techniques; D008297:Male; D009119:Muscle Contraction / Q000187:drug effects; D009130:Muscle, Smooth / Q000187:drug effects; D010208:Papaverine / Q000494:pharmacology; D010276:Parasympatholytics / Q000494:pharmacology*
D003374:Coumarins; D010276:Parasympatholytics; D001464:Barium; D001285:Atropine; D004155:Diphenhydramine; D010208:Papaverine; D000109:Acetylcholine